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164345455 = 548767493
BaseRepresentation
bin10011100101110…
…11011001101111
3102110020121120201
421302323121233
5314033023310
624150254331
74033625161
oct1162733157
9373217521
10164345455
118485019a
12470573a7
1328082641
1417b80931
15e664e3a
hex9cbb66f

164345455 has 8 divisors (see below), whose sum is σ = 197622432. Its totient is φ = 131204448.

The previous prime is 164345437. The next prime is 164345537. The reversal of 164345455 is 554543461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164345455 - 213 = 164337263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31312 + ... + 36181.

It is an arithmetic number, because the mean of its divisors is an integer number (24702804).

Almost surely, 2164345455 is an apocalyptic number.

164345455 is a deficient number, since it is larger than the sum of its proper divisors (33276977).

164345455 is an equidigital number, since it uses as much as digits as its factorization.

164345455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67985.

The product of its digits is 144000, while the sum is 37.

The square root of 164345455 is about 12819.7291313038. The cubic root of 164345455 is about 547.7544309264.

The spelling of 164345455 in words is "one hundred sixty-four million, three hundred forty-five thousand, four hundred fifty-five".

Divisors: 1 5 487 2435 67493 337465 32869091 164345455